package org.cuatrovientos.greet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author Dani
 * Servlet implementation class SignIn
 */
@WebServlet("/SignIn")
public class SignIn extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public SignIn() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	PrintWriter output = response.getWriter();
		
		String login = request.getParameter("login");
		String dni = request.getParameter("dni");
		String email = request.getParameter("email");
		
		Pattern patron = Pattern.compile("^[a-z]{8}$");
		Matcher comprobador = patron.matcher(login);
		
		if(comprobador.find()){
			output.write("Ok login format correct: " + login);
		}else{
			this.getServletContext().getRequestDispatcher("/login.jsp")
			        .forward(request, response);
		}
		
		output.write("Login: " + login + "<br/>");
		output.write("DNI: " + dni + "<br/>");
		output.write("email: " + email + "<br/>");
	}

}
